3WL air circuit breakers

3WL air circuit breakers are used as incoming-feeder, coupler, and outgoing-feeder circuit breakers in electrical systems in industry, buildings, and infrastructure applications. They have communications capability and can be easily integrated into higher-level control and energy management systems.

3WL air circuit breakers are available in four sizes, each featuring a 3- and 4-pole design, and cover a power range from 630 A to 6,300 A. The modular portfolio offers flexibility and provides for easy assembly and subsequent adjustment.

3WL air circuit breakers – versatile and flexible

Five power levels of the short-circuit breaking capacity for all applications

Available as circuit breakers and non-automatic circuit breakers in an AC version

Available as a circuit breaker in a DC version

Modules can be specially retrofitted for electronic trip units

Different connection technologies

Connection option of external input and output modules